What is CVE-2021-40405?

CVE-2021-40405 is a medium-severity vulnerability in Reolink Rlc-410w, classified under Improper Access Control. CVSS score: 6.5/10. Published 2022-04-14.

How severe is CVE-2021-40405?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2021-40405 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Reolink Rlc-410w

CVE-2021-40405

A denial of service vulnerability exists in the cgiserver.cgi Upgrade API functionality of Reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to a reboot. An attacker can send an HTTP request to trigger this vulnerability.

EPSS: 0.011 (63.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Reolink Rlc-410w — versions v3.0.0.136_20121102
Reolink Rlc-410w_firmware — versions 3.0.0.136_20121102

Weakness classification (CWE)

Public proof-of-concept exploits

aredspy/ReoLink-Reboot

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-40405?: CVE-2021-40405 is a medium-severity vulnerability in Reolink Rlc-410w, classified under Improper Access Control. CVSS score: 6.5/10. Published 2022-04-14.
How severe is CVE-2021-40405?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2021-40405 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.